Nominal yeeb nkab loj yog hais txog rau tsuas yog sab nraud txoj kab uas hla (OD) ntawm ib lub yeeb nkab ua rau nws me ntsis vague Piv txwv li, thaum peb hais cov yeeb nkab loj yog 2 NPS, nws yog hais txog tag nrho. cov kav dej uas muaj 2.375-nti (los yog 60.3 hli) raws li sab nraud txoj kab uas hla tsis hais ntawm phab ntsa thickness thiab yog li hauv txoj kab uas hla.
Tus nominal loj txhais li cas rau cov yeeb nkab?
Nominal Pipe Size (NPS) yog North American teeb ntawm cov qauv siv los xaiv cov yeeb nkab txoj kab uas hla thiab tuabCov yeeb nkab loj yog teev nrog ob tus lej tsis-seem: cov yeeb nkab nominal loj (NPS) rau sab hauv kab raws li ntiv tes, thiab lub sijhawm (Sched. lossis Sch.) rau phab ntsa thickness.
Yuav ua li cas yog chav tsev ntawm nominal yeeb nkab loj?
Nominal pipe size (NPS) is a dimensionless designator of pipe size. Nws qhia txog tus qauv yeeb nkab loj thaum ua raws li tus lej tshwj xeeb qhov loj me yam tsis muaj lub cim ntiv tes. Piv txwv li, NPS 6 qhia txog cov yeeb nkab uas nws sab nraud yog 168.3 hli.
Dab tsi yog nominal size diam?
Nominal inch yog qhov loj ntawm cov yeeb nkab lossis raj raug txheeb xyuas, piv txwv li 1 nti lossis 25mm.
Yuav ua li cas koj xam lub npe inch?
Nominal Bore (NB) yog European Tsim qauv sib npaug rau NPS. Rau NPS 5 thiab loj dua, Nominal Diameter (DN) yog sib npaug rau NPS muab faib los ntawm 25.
